// Universal Toggle Manager - Complete solution for all config toggles
class ToggleManager {
  constructor() {
    this.toggles = new Map();
    this.init();
  }

  init() {
    //console.log('ToggleManager: Initializing...');
    
    // Auto-discover all toggle configurations
    this.discoverToggles();
    //console.log('ToggleManager: Discovered', this.toggles.size, 'toggle configurations');
    
    // Debug: Log discovered toggles
    if (this.toggles.size > 0) {
      //console.log('ToggleManager: No toggles found - will retry after config loads...');
      // Set up a mutation observer to detect when config content is added
      this.setupContentObserver();
    } else {
      //console.log('ToggleManager: Discovered toggles:', Array.from(this.toggles.keys()));
    }
    
    // Also set up observer in case more toggles are added later
    this.setupContentObserver();
    
    // Retry discovery after a short delay to handle timing issues
    setTimeout(() => {
      //console.log('ToggleManager: Retrying toggle discovery...');
      this.rediscoverToggles();
    }, 100);
  }

  // Set up observer to detect when config content is loaded
  setupContentObserver() {
    const observer = new MutationObserver((mutations) => {
      mutations.forEach((mutation) => {
        if (mutation.type === 'childList') {
          // Check if any new elements with data-toggle-config were added
          const newToggles = Array.from(mutation.addedNodes).filter(node => node.nodeType === Node.ELEMENT_NODE && (node.dataset?.toggleConfig || node.querySelector('[data-toggle-config]')));
          
          if (newToggles.length > 0) {
            //console.log('ToggleManager: New toggle elements detected, re-discovering...');
            this.rediscoverToggles();
            observer.disconnect(); // Stop observing once we find toggles
          }
        }
      });
    });

    // Start observing the main content area
    const contentContainer = document.getElementById('main-content') || document.querySelector('.main');
    if (contentContainer) {
      observer.observe(contentContainer, {
        childList: true,
        subtree: true
      });
    }
  }

  // Re-discover toggles (called after content is loaded)
  rediscoverToggles() {
    //console.log('ToggleManager: Re-discovering toggles...');
    this.toggles.clear(); // Clear existing toggles
    this.discoverToggles();
    //console.log('ToggleManager: Re-discovered', this.toggles.size, 'toggle configurations');
    
    if (this.toggles.size > 0) {
      //console.log('ToggleManager: Successfully discovered toggles:', Array.from(this.toggles.keys()));
    }
  }

  // Auto-discover toggle configurations from the page
  discoverToggles() {
    //console.log('ToggleManager: Looking for elements with [data-toggle-config]...');
    
    // Find all elements with data-toggle-config attribute
    const toggleElements = document.querySelectorAll('[data-toggle-config]');
    //console.log('ToggleManager: Found', toggleElements.length, 'elements with data-toggle-config');
    
    toggleElements.forEach((element, index) => {
      const config = element.dataset.toggleConfig;
      const sectionId = element.dataset.sectionId;
      const toggleType = element.dataset.toggleType || 'checkbox';
      
      //console.log(`ToggleManager: Processing element ${index}:`, {
        //config: config,
        //sectionId: sectionId,
        //toggleType: toggleType,
        //element: element.tagName + (element.id ? '#' + element.id : '') + (element.name ? '[name=' + element.name + ']' : '')
      //});
      
      if (config && sectionId) {
        this.toggles.set(config, {
          config: config,
          sectionId: sectionId,
          toggleType: toggleType,
          element: element
        });
        //console.log(`ToggleManager: Registered toggle for config: ${config}`);
      } else {
        //console.log(`ToggleManager: Skipping element - missing config or sectionId`);
      }
    });
  }

  // Universal toggle function - works for any config option
  toggle(configKey, isEnabled) {
    //console.log('=== TOGGLE MANAGER DEBUG ===');
    //console.log('configKey:', configKey);
    //console.log('isEnabled:', isEnabled);
    
    const toggle = this.toggles.get(configKey);
    if (!toggle) {
      console.error('ToggleManager: No toggle found for config:', configKey);
      return false;
    }
    
    //console.log('Toggle found:', toggle);
    
    const sectionContent = document.getElementById(toggle.sectionId);
    const fields = sectionContent?.querySelectorAll('.config-fields input, .config-fields select, .config-fields textarea');
    
    //console.log('sectionContent found:', !!sectionContent);
    //console.log('fields found:', fields ? fields.length : 0);
    
    if (sectionContent && fields) {
      if (isEnabled) {
        //console.log('Enabling section...');
        sectionContent.classList.remove('hidden');
        fields.forEach((field, index) => {
          //console.log(`Enabling field ${index}:`, field);
          field.disabled = false;
          const fieldGroup = field?.closest('.field-group');
          if (fieldGroup) {
            fieldGroup.style.opacity = '1';
            fieldGroup.style.pointerEvents = 'auto';
          }
        });
      } else {
        //console.log('Disabling section...');
        sectionContent.classList.add('hidden');
        fields.forEach((field, index) => {
          //console.log(`Disabling field ${index}:`, field);
          field.disabled = true;
          const fieldGroup = field?.closest('.field-group');
          if (fieldGroup) {
            fieldGroup.style.opacity = '0.5';
            fieldGroup.style.pointerEvents = 'none';
          }
        });
      }
      
      //console.log('=== TOGGLE MANAGER SUCCESS ===');
      return true;
    } else {
      console.error('ToggleManager: Section content or fields not found');
      return false;
    }
  }

  // Universal toggle section renderer - works for ANY config option
  static renderToggleSection(configKey, configItems, displaySubcategory, subcategoryDescription, config) {
    const isEnabled = configKey.value === 'true' || configKey.value === 'git';
    const sectionId = `${configKey.key.replace(/[^a-zA-Z0-9]/g, '-')}-${configKey.key}`;
    const toggleId = `${configKey.key.toLowerCase()}-toggle`;
    
    // Determine toggle type and class based on config key
    let toggleType = 'checkbox';
    let toggleClass = 'generic-master-toggle';
    
    if (configKey.key.includes('INSTALL_MODE')) {
      toggleType = 'select';
      toggleClass = 'git-master-toggle';
    } else if (configKey.key.includes('MAIL')) {
      toggleType = 'checkbox';
      toggleClass = 'mail-master-toggle';
    } else if (configKey.key.includes('BACKUP_REMOTE_')) {
      // Specifically target BACKUP_REMOTE_1_ENABLED, BACKUP_REMOTE_2_ENABLED, etc.
      toggleType = 'checkbox';
      toggleClass = 'backup-remote-toggle';
    }
    
    let html = `
      <div class="config-category">
        <div class="domains-wrapper">
          <div class="domains-header">
            <div>
              <h3>${displaySubcategory}</h3>
              <p class="category-description">${subcategoryDescription}</p>
            </div>
          </div>
          <div class="domains-divider"></div>
          <div class="${toggleClass}">
            <div class="field-group">
    `;
    
    if (toggleType === 'select') {
      // Git/Select toggle
      html += `
              <label for="${toggleId}">
                ${configKey.title || 'Install Mode'}
                <span class="tooltip" title="${configKey.description || 'Choose installation mode'}">ℹ️</span>
              </label>
              <select id="${toggleId}" 
                      name="${configKey.key}" 
                      class="form-control" 
                      data-toggle-config="${configKey.key}"
                      data-section-id="section-content-${sectionId}"
                      data-toggle-type="select"
                      onchange="window.toggleManager.toggle('${configKey.key}', this.value === 'git')">
                ${window.ConfigOptions?.getSelectOptions(configKey.key)?.map(opt => 
                  `<option value="${opt.value}" ${opt.value === configKey.value ? 'selected' : ''}>${opt.label}</option>`
                ).join('') || ''}
              </select>
      `;
    } else {
      // Checkbox toggle
      html += `
              <label class="checkbox-label ${toggleClass}">
                <input type="checkbox" 
                       id="${toggleId}" 
                       name="${configKey.key}" 
                       value="true" 
                       ${isEnabled ? 'checked' : ''} 
                       data-toggle-config="${configKey.key}"
                       data-section-id="section-content-${sectionId}"
                       data-toggle-type="checkbox"
                       onchange="window.toggleManager.toggle('${configKey.key}', this.checked)">
                <span class="checkbox-custom"></span>
                <span class="checkbox-text">
                  ${configKey.title || 'Enable Configuration'}
                  <span class="tooltip" title="${configKey.description || 'Enable this configuration option'}">ℹ️</span>
                </span>
              </label>
      `;
    }
    
    html += `
            </div>
          </div>
          <div id="section-content-${sectionId}" class="git-section-content ${isEnabled ? '' : 'hidden'}">
            <div class="config-fields">
    `;
    
    // Add all other fields (excluding the toggle key itself)
    configItems.filter(item => item.key !== configKey.key).forEach(item => {
      const fieldId = `config-${item.key}`;
      html += window.ConfigShared?.generateField(fieldId, item.key, item.value, item.title, item.description, item.options, config) || '';
    });
    
    // Add special buttons for specific config types
    if (configKey.key.includes('MAIL')) {
      html += `
              <div class="field-group">
                <button type="button" class="test-connection-btn" onclick="window.configManager?.testMailConnection('${configKey.key}')">
                  <span class="test-icon">📧</span>
                  <span class="test-text">Test Mail Connection</span>
                </button>
                <div id="mail-test-result" class="test-result" style="display: none;"></div>
              </div>
      `;
    }
    
    html += `
            </div>
          </div>
        </div>
        <div class="spacer spacer-lg"></div>
      </div>
    `;
    
    return html;
  }

  // Register a new toggle configuration
  register(configKey, sectionId, toggleType = 'checkbox') {
    this.toggles.set(configKey, {
      config: configKey,
      sectionId: sectionId,
      toggleType: toggleType
    });
  }

  // Get all registered toggles
  getToggles() {
    return Array.from(this.toggles.keys());
  }

  // Check if a toggle exists
  hasToggle(configKey) {
    return this.toggles.has(configKey);
  }
}

// Global instance
window.toggleManager = new ToggleManager();
// Make static method available on instance too
window.toggleManager.renderToggleSection = ToggleManager.renderToggleSection;

// Add method to manually trigger discovery when config is loaded
window.toggleManager.forceRediscover = function() {
  //console.log('ToggleManager: Force re-discovering toggles...');
  window.toggleManager.rediscoverToggles();
};

// Static access for backward compatibility
window.ConfigShared = window.ConfigShared || {};
window.ConfigShared.toggleSection = function(sectionId, isEnabled) {
  // Try to find the config key from the section
  const toggleElements = document.querySelectorAll(`[data-section-id="${sectionId}"]`);
  if (toggleElements.length > 0) {
    const configKey = toggleElements[0].dataset.toggleConfig;
    return window.toggleManager.toggle(configKey, isEnabled);
  } else {
    console.error('ConfigShared.toggleSection: No toggle found for section:', sectionId);
    return false;
  }
};